- Product Details
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Quick Details
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Power:
-
NO
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Size:
-
1 m
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Product name:
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SM4 geophone 14 Hz
-
Natural Frequency:
-
14 Hz
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Coil resistance:
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375 Ω
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Sensitivity:
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28.8 v/m/s
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Typical Spurious Frequency:
-
≥240Hz
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Damping:
-
0.6 ± 5.0%
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Warranty Period:
-
3 years
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Connector:
-
Mueller clips
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HS CODE:
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9015900090
Quick Details
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Place of Origin:
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Shaanxi, China
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Brand Name:
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EGL
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Model Number:
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SM4 geophone 14 Hz
-
Power:
-
NO
-
Size:
-
1 m
-
Product name:
-
SM4 geophone 14 Hz
-
Natural Frequency:
-
14 Hz
-
Coil resistance:
-
375 Ω
-
Sensitivity:
-
28.8 v/m/s
-
Typical Spurious Frequency:
-
≥240Hz
-
Damping:
-
0.6 ± 5.0%
-
Warranty Period:
-
3 years
-
Connector:
-
Mueller clips
-
HS CODE:
-
9015900090
Product Description
SM4 Geophone 14Hz Horizontal with Mueller clips connector
The SM-4 equivalent geophone element 14Hz is a conventional type of moving coil geophone with small error in working parameters and stable and reliable performance. The structure is reasonable in design, small in size and light in weight, and is suitable for seismic exploration of strata and geological environments of different depths.
Single SM4 geophone 14Hz Horizontal in waterproof land case with spike 75mm, with 1m leader cable,with one D-Loop , terminated with Mueller clips connector.
SM4 Geophone Response Curve and Phase Lag
Specification
All parameters specified here in are rated at a temperature 20℃±2℃ .
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Type
|
EG-14-II
|
|
Natural Frequency ( Hz )
|
14 Hz ± 5%
|
|
Coil resistance（Ω）
|
375 Ω ± 5%
|
|
Open Circuit Damping
|
0.2 ±5%
|
|
Damping With Shunt Resistor
|
0.6 ± 5%
|
|
Open Circuit Intrinsic Voltage Sensitivity ( v/m/s )
|
28.8 v/m/s ± 5%
|
|
Sensitivity With Shunt Resistor ( v/m/s )
|
18.2 v/m/s ± 5%
|
|
Damping Calibration-Shunt Resistance（Ω）
|
640Ω
|
|
Harmonic distortion ( % )
|
＜0.2%
|
|
Typical Spurious Frequency (Hz )
|
≧240Hz
|
|
Moving Mass ( g )
|
11.6g
|
|
Typical case to coil motion p-p ( mm )
|
2mm
|
|
Allowable Tilt
|
≦20º
|
|
Operating Temperature Range ( ℃ )
|
-40℃ TO +100℃
|
|
Height ( mm )
|
32mm
|
|
Diameter ( mm )
|
25.4mm
|
|
Weight ( g )
|
74g
|
|
Warranty Period
|
3 years
|
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